A specialty classification that involves installation, erection, repair, wiring and removal of signs for commercial businesses, advertisement billboards, poster panels erected at commercial properties, building, structures or open spaces. Signs may be made of wood, metal, plastic, glass, etc. The scope of work includes digging or drilling holes, lifting with a boom or crane, mounting and secured directly to buildings or structures and the related electrical hook-up to install neon and digital signs such as located at banks and stores including the maintenance, repair and painting of signs. This classification does NOT include installation or removal of highway, street or roadway signs such as mounted on overpasses or erected alongside the roadway which is covered separately under Traffic Control, Signs, Striping and Guardrails (Non-Electrical).